Home / 8,902,020.75-12,285,306.60-4,981,743.72

Finding the Fourth Proportional to 8,902,020.75, 12,285,306.60 and 4,981,743.72

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Solution

The fourth proportional to 8,902,020.75, 12,285,306.60 and 4,981,743.72 is: 6,875,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,020.75 : 12,285,306.60 = 4,981,743.72 : x
  2. Step 2: Convert to fraction form
    8,902,020.75/12,285,306.60 = 4,981,743.72/x
  3. Step 3: Cross multiply
    8,902,020.75x = 12,285,306.60 × 4,981,743.72
  4. Step 4: Simplify right side
    8,902,020.75x = 61,202,249,002,824.55
  5. Step 5: Solve for x
    x = 61,202,249,002,824.55/8,902,020.75
  6. Step 6: Final answer
    x = 6,875,096.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.